Lots of doc corrections.

Josh Kupershmidt

src/tools/backend/index.html

@@ -111,7 +111,7 @@ flowchart.</p>
 
 <hr />
 <p>Another area of interest is the shared memory area, which
-contains data accessable to all backends. It has recently used
+contains data accessible to all backends. It has recently used
 data/index blocks, locks, backend process information, and lookup
 tables for these structures:</p>
 

src/tools/msvc/README

@@ -86,7 +86,7 @@ Description of the internals of the Visual Studio build process
 By typing 'build' the user starts the build.bat wrapper which simply passes
 it's arguments to build.pl.
 In build.pl the user's buildenv.pl is used to set up the build environment
-(i. e. path to bison and flex). In addtion his config.pl file is merged into
+(i. e. path to bison and flex). In addition his config.pl file is merged into
 config_default.pl to create the configuration arguments.
 These configuration arguments are passed over to Mkvcbuild::mkvcbuild
 (Mkvcbuild.pm) which creates the Visual Studio project and solution files.

src/tools/msvc/VSObjectFactory.pm

@@ -81,7 +81,7 @@ sub DetermineVisualStudioVersion
     if (!defined($nmakeVersion))
     {
 
-        # Determine version of nmake command, to set proper verison of visual studio
+        # Determine version of nmake command, to set proper version of visual studio
         # we use nmake as it has existed for a long time and still exists in visual studio 2010
         open(P,"nmake /? 2>&1 |")
           || croak "Unable to determine Visual Studio version: The nmake command wasn't found.";

src/tools/pginclude/pgcompinclude

@@ -17,7 +17,7 @@ do
 	sed 's/->[a-zA-Z0-9_\.]*//g' "$FILE" >/tmp/$$a
 	echo "#include \"postgres.h\"" >/tmp/$$.c
 
-	# supress fcinfo errors
+	# suppress fcinfo errors
 	echo "struct {Datum       arg[1];} *fcinfo;" >>/tmp/$$.c
 
 	echo "#include \"/tmp/$$a\"" >>/tmp/$$.c

src/tools/pginclude/pgrminclude

@@ -90,7 +90,7 @@ compile_file() {
 
 	if [ "$IS_INCLUDE" = "Y" ]
 	then	echo "#include \"postgres.h\"" >/tmp/$$.c
-		# supress fcinfo errors
+		# suppress fcinfo errors
 		echo "struct {Datum       arg[1];} *fcinfo;" >>/tmp/$$.c
 	else	>/tmp/$$.c
 	fi